Airtight & Windtight Tapes and Sealants

We offer a variety of airtight and windtight tapes and sealants to help you seal your home and save energy. Our products are made from high-quality materials and are designed to withstand the elements. We offer a variety of sizes to fit your needs.

Our products can be used to seal windows, doors, pipes, and other openings in your home.

Our products are easy to install and can help you save money on your energy bills.

View more in the Airtight range

Summer Specials

View our summer deals and promotions across our range of products.
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  • STEICO Multi Tape F - 25m x 60mm | Insulation Merchant
    MULTI TAPE F by Steico

    STEICO Multi Tape F - 25m x 60mm

    Looking for a price?

    Add to a quote for our best rate.

  • SOUDAL Soudatight LQ Paint On Airtight Membrane (Black) - 4.5kg | Insulation Merchant
    Summer
    SOUDATIGHT by SOUDAL

    SOUDAL Soudatight LQ Paint On Fibre-reinforced Airtight Membrane (Black) - 4.5kg

    £33.31 per item
    £7.40 per kg
    ex. GB VAT
    £30.45 Save £-2.86
    £33.31 per item
    £7.40 per kg
    ex. GB VAT
  • Pro Clima Contega Solido SL-D80 (External Double-sIded Corner Adhesive Tape) - 80mm x 30m | Insulation Merchant
    CONTEGA by Pro Clima

    Pro Clima Contega Solido SL-D80 (External Double-sIded Corner Adhesive Tape) - 80mm x 30m

    £60.57 per item
    £2.01 per LM (linear metre)
    ex. GB VAT
    Save £-60.57
    £60.57 per item
    £2.01 per LM (linear metre)
    ex. GB VAT
  • SIGA Wigluv® 20/40 Split External Adhesive Tape (60mm x 25m) | Insulation Merchant
    WIGLUV® by SIGA

    SIGA Wigluv® 20/40 Split External Adhesive Tape (60mm x 25m)

    £36.00 per item
    £1.44 per LM (linear metre)
    ex. GB VAT
    Save £-36.00
    £36.00 per item
    £1.44 per LM (linear metre)
    ex. GB VAT
  • 60mm SIGA Wigluv® Black 60 External Adhesive Tape - (40m x 60mm) | Insulation Merchant
    WIGLUV® by SIGA

    60mm SIGA Wigluv® Black 60 External Adhesive Tape - (40m x 60mm)

    From £53.25 per item
    £1.33 per LM (linear metre)
    ex. GB VAT
    Save £-53.25
    From £53.25 per item
    £1.33 per LM (linear metre)
    ex. GB VAT
  • Pro Clima Contega Solido SL150 (Internal Single-sIded Corner Adhesive Tape) - 150mm x 30m | Insulation Merchant
    CONTEGA by Pro Clima

    Pro Clima Contega Solido SL150 (Internal Single-sIded Corner Adhesive Tape) - 150mm x 30m

    £81.08 per item
    £2.70 per LM (linear metre)
    ex. GB VAT
    Save £-81.08
    £81.08 per item
    £2.70 per LM (linear metre)
    ex. GB VAT
  • Pro Clima Contega Fiden Exo (Expansion Joint Tape) - Joint 5-10mm (Roll 20mm x 5.6m) | Insulation Merchant
    CONTEGA by Pro Clima

    Pro Clima Contega Fiden Exo (Expansion Joint Tape) - Joint 5-10mm (Roll 20mm x 5.6m)

    £7.98 per item
    ex. GB VAT
    Save £-7.98
    £7.98 per item
    ex. GB VAT
  • DuPont™ AirGuard® Tape - 25m x 60mm | Insulation Merchant
    AIRGUARD® by DuPont - Performance Building Solutions

    DuPont™ AirGuard® Tape - 25m x 60mm

    Looking for a price?

    Add to a quote for our best rate.

  • Pro Clima Contega Fiden Exo (Expansion Joint Tape) - Joint 10-18mm - Roll 20mm x 2.6m | Insulation Merchant
    CONTEGA by Pro Clima

    Pro Clima Contega Fiden Exo (Expansion Joint Tape) - Joint 10-18mm - Roll 20mm x 2.6m

    £7.68 per item
    ex. GB VAT
    Save £-7.68
    £7.68 per item
    ex. GB VAT
  • Pro Clima Extoseal Encors - 200mm x 20m | Insulation Merchant
    EXTOSEAL by Pro Clima

    Pro Clima Extoseal Encors - 200mm x 20m

    £168.29 per item
    ex. GB VAT
    Save £-168.29
    £168.29 per item
    ex. GB VAT
  • SIGA Rissan® 100 VCL & Jointing Airtightness Tape - 100mm x 25m | Insulation Merchant
    RISSAN® by SIGA

    SIGA Rissan® 100 VCL & Jointing Airtightness Tape - 100mm x 25m

    £46.50 per item
    £1.86 per LM (linear metre)
    ex. GB VAT
    Save £-46.50
    £46.50 per item
    £1.86 per LM (linear metre)
    ex. GB VAT
  • Pro Clima Tescon Invis - 100mm x 30m | Insulation Merchant
    TESCON by Pro Clima

    Pro Clima Tescon Invis - 100mm x 30m

    £48.13 per item
    £1.60 per LM (linear metre)
    ex. GB VAT
    Save £-48.13
    £48.13 per item
    £1.60 per LM (linear metre)
    ex. GB VAT
  • SIGA Fentrim® IS 20 (Pre-folded Internal Corner Tape) - All sizes | Insulation Merchant
    Internal Use
    FENTRIM® by SIGA

    SIGA Fentrim® IS 20 (Pre-folded Internal Corner Tape) - All sizes

    From £45.04 per item
    £1.80 per LM (linear metre)
    ex. GB VAT
    Save £-45.04
    From £45.04 per item
    £1.80 per LM (linear metre)
    ex. GB VAT
  • pro clima | Insulation Merchant
    AEROSANA by Pro Clima

    Pro Clima Aerosanna Visconn Fibre-reinforced Spray/Paintable Airtight Sealant Membrane

    From £12.25 per item
    ex. GB VAT
    £0.00 Save £-12.25
    From £12.25 per item
    ex. GB VAT
  • SIGA Wigluv® 100 External Adhesive Tape - (100mm x 25m) | Insulation Merchant
    WIGLUV® by SIGA

    SIGA Wigluv® 100 External Adhesive Tape - (100mm x 25m)

    £48.38 per item
    £1.93 per LM (linear metre)
    ex. GB VAT
    Save £-48.38
    £48.38 per item
    £1.93 per LM (linear metre)
    ex. GB VAT
  • Pro Clima Contega Fiden Exo (Expansion Joint Tape) - Joint 3-6mm - Roll 12mm x 8m | Insulation Merchant
    CONTEGA by Pro Clima

    Pro Clima Contega Fiden Exo (Expansion Joint Tape) - Joint 3-6mm - Roll 12mm x 8m

    £4.96 per item
    ex. GB VAT
    Save £-4.96
    £4.96 per item
    ex. GB VAT
  • ROTHOBLAAS Speedy Band Airtight Tape (without release liner)
    Internal Use
    External Use
    SPEEDY BAND by Rothoblaas

    ROTHOBLAAS Speedy Band Airtight Tape (without release liner)

    From £15.41 per item
    £0.61 per LM (linear metre)
    ex. GB VAT
    Save £-15.41
    From £15.41 per item
    £0.61 per LM (linear metre)
    ex. GB VAT
  • PROCTOR Wraptite® Airtight Tape | Insulation Merchant
    WRAPTITE® by A. Proctor Group

    PROCTOR Wraptite® Airtight Tape

    From £70.75 per item
    ex. GB VAT
    Save £-70.75
    From £70.75 per item
    ex. GB VAT
  • Pro Clima Extoseal Encors - 150mm x 20m | Insulation Merchant
    EXTOSEAL by Pro Clima

    Pro Clima Extoseal Encors - 150mm x 20m

    £124.44 per item
    ex. GB VAT
    Save £-124.44
    £124.44 per item
    ex. GB VAT
  • HOLZ Technic Interna Indoor Airtight Single-sided Tape
    Sale 20%
    Summer
    INTERNA by Holz Technic

    HOLZ Technic Interna Indoor Airtight Single-sided Tape

    From £10.76 per item
    £0.43 per LM (linear metre)
    ex. GB VAT
    £13.45 Save £2.69
    From £10.76 per item
    £0.43 per LM (linear metre)
    ex. GB VAT